#! /bin/sh

#Process_Name="/guard /aps /sa /zyguard"
Process_Name="/mp /mcu"
#获取主机IP地址
ip=`ifconfig eth0 |grep "inet addr"| cut -f 2 -d ":"|cut -f 1 -d " "`
gstr="/guard"
space=" "
First_Process=""

#获取初始业务进程号
for i in $Process_Name
do
if [[ $i == $gstr ]]
then
Bf_Process=`ps |grep $i|grep -v grep|grep -v '/bin/bash'|awk '{print $1}'`
First_Process=$First_Process$i":"$Bf_Process$space
else
Bf_Process=`ps |grep $i|grep -v grep|awk '{print $1}'`
First_Process=$First_Process$i":"$Bf_Process$space
fi
done

while true
do
For_num=1
sleep 3
Second_Process=""
#第二次获取业务进程号
for i in $Process_Name
do
if [[ $i == $gstr ]]
then
Bs_Process=`ps |grep $i|grep -v grep|grep -v '/bin/bash'|awk '{print $1}'`
Second_Process=$Second_Process$i":"$Bs_Process$space
else
Bs_Process=`ps |grep $i|grep -v grep|awk '{print $1}'`
Second_Process=$Second_Process$i":"$Bs_Process$space
fi
done
echo "First_Process:"$First_Process
echo "Second_Process:"$Second_Process
#查看所有业务进程有无变化，有变化输出到日志文件
for j in $Process_Name
do
echo $j
One_f_Process=`echo $First_Process|awk -v t="${For_num}" '{print $t}'`
One_s_Process=`echo $Second_Process|awk -v t="${For_num}" '{print $t}'`
For_num=$((For_num+1))
echo "One_f_Process:"$One_f_Process
echo "One_s_Process:"$One_s_Process
if [[ "$One_f_Process" != "$One_s_Process" ]]
then
Time_Now=`date`
echo $Time_Now
echo $j
echo $One_s_Process
echo $One_f_Process
echo -e $Time_Now"\t"$j"\tCollapse\tThe new process："$One_s_Process"\t\tThe old process："$One_f_Process &gt;&gt; /usr/tmp/$ip'_collapse'.txt
fi
done
#获取业务进程号
First_Process=""
for i in $Process_Name
do
if [[ $i == $gstr ]]
then
Bf_Process=`ps |grep $i|grep -v grep|grep -v '/bin/bash'|awk '{print $1}'`
First_Process=$First_Process$i":"$Bf_Process$space
else
Bf_Process=`ps |grep $i|grep -v grep|awk '{print $1}'`
First_Process=$First_Process$i":"$Bf_Process$space
fi
done

#系统内存使用率监控
Memory_Use_Rate=`free | grep Mem | awk '{printf"%d",$3/$2*100}'`
if [ 80 -le $Memory_Use_Rate ]
then
Time_Now=`date`
echo -e $Time_Now"\tSystm Memory\tMemory_Use_Rate\tAt present the use value:"$Memory_Use_Rate"%\tThreshold:80%" &gt;&gt; /usr/tmp/$ip'_alarm'.txt
fi

#系统CPU剩余率监控
Cpu_Residual_Rate=`mpstat|grep all|awk '{printf"%d",$11}'`
echo $Cpu_Residual_Rate
if [ $Cpu_Residual_Rate -le 20 ]
then
Time_Now=`date`
echo $Time_Now
echo -e $Time_Now"\tSystm Cpu\tCpu_Residual_Rate(%idle)\tAt present the use value:"$Cpu_Residual_Rate"%\tThreshold:20%" &gt;&gt; /usr/tmp/$ip'_alarm'.txt
fi

#业务内存使用率监控
System_Memory=`free | grep Mem | awk '{printf"%d",$2/1024}'`
for k in $Process_Name
do
if [[ $k == $gstr ]]
then
Process_Memory_Use=`ps |grep $k|grep -v grep|grep -v '/bin/bash'|awk '{print $3}'`
var_length=${#Process_Memory_Use}
var_Position=`expr $var_length - 1`
m=${Process_Memory_Use:$var_Position:1}
if [[ $m == "m" ]]
then
Pro_Mem_Use=${Process_Memory_Use:0:$var_Position}
else
Pro_Mem_Use=`expr $Process_Memory_Use / 1024`
fi
System_Memory_Threshold=`free | grep Mem | awk '{printf"%d",$2/1024*0.8}'`
if [[ $Pro_Mem_Use  -ge $System_Memory_Threshold ]]
then
Time_Now=`date`
echo -e $Time_Now"\t"$k"\tProcess_Memory_Use\tAt present the use value:"$Pro_Mem_Use"Mb\tThreshold:"$System_Memory_Threshold"Mb" &gt;&gt; /usr/tmp/$ip'_alarm'.txt
fi
else
Process_Memory_Use=`ps |grep $k|grep -v grep|awk '{print $3}'`
var_length=${#Process_Memory_Use}
var_Position=`expr $var_length - 1`
m=${Process_Memory_Use:$var_Position:1}
if [[ $m == "m" ]]
then
Pro_Mem_Use=${Process_Memory_Use:0:$var_Position}
else
Pro_Mem_Use=`expr $Process_Memory_Use / 1024`
fi
System_Memory_Threshold=`free | grep Mem | awk '{printf"%d",$2/1024*0.8}'`
if [[ $Pro_Mem_Use  -ge $System_Memory_Threshold ]]
then
Time_Now=`date`
echo -e $Time_Now"\t"$k"\tProcess_Memory_Use\tAt present the use value:"$Pro_Mem_Use"Mb\tThreshold:"$System_Memory_Threshold"Mb" &gt;&gt; /usr/tmp/$ip'_alarm'.txt
fi
fi
done
done